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Finding the Fourth Proportional to 635,864.99, 954,606.83 and 412,161.52

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Solution

The fourth proportional to 635,864.99, 954,606.83 and 412,161.52 is: 618,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,864.99 : 954,606.83 = 412,161.52 : x
  2. Step 2: Convert to fraction form
    635,864.99/954,606.83 = 412,161.52/x
  3. Step 3: Cross multiply
    635,864.99x = 954,606.83 × 412,161.52
  4. Step 4: Simplify right side
    635,864.99x = 393,452,203,085.59
  5. Step 5: Solve for x
    x = 393,452,203,085.59/635,864.99
  6. Step 6: Final answer
    x = 618,766.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.